OpenSesame incident

TED Course videos are not loading

Major Resolved View vendor source →

OpenSesame experienced a major incident on January 1, 2026 affecting Simon Learner Experience, lasting 1h 44m. The incident has been resolved; the full update timeline is below.

Started
Jan 01, 2026, 05:52 PM UTC
Resolved
Jan 01, 2026, 07:37 PM UTC
Duration
1h 44m
Detected by Pingoru
Jan 01, 2026, 05:52 PM UTC

Affected components

Simon Learner Experience

Update timeline

  1. identified Jan 01, 2026, 05:52 PM UTC

    The issue has been identified as an problem with the source videos, hosted by TED. We have reached out to our TED representatives, and will be monitoring the situation. We will update the status of the issue as we hear back from TED.

  2. monitoring Jan 01, 2026, 06:57 PM UTC

    TED has reporting the issue as being resolved. Testing on our end shows that videos are now playing in courses. We will continue monitoring for the next 30 minutes.

  3. resolved Jan 01, 2026, 07:37 PM UTC

    This incident has been resolved.